Sierra 18-2378 Magnetic Drain Screw for Johnson Evinrude OMC

The Sierra 18-2378 is a premium magnetic drain screw designed for Johnson, Evinrude, and OMC marine engines. This essential maintenance component features an integrated magnet that attracts and captures small metal particles during oil changes, preventing them from circulating through the engine and causing damage to vital components.

Key Features:

• Magnetic design attracts metal shavings and debris for enhanced engine protection
• Slotted head design for easy installation and removal
• Direct replacement for OMC part number 318544
• Manufactured to meet or exceed original equipment specifications
• Includes replacement seal for reliable leak-free operation

OEM Cross References:

• Johnson/Evinrude: 318544
• GLM: 21731
• Mallory: 9-72654
• OMC: 318544, 912624

Sierra Marine is recognized as a market leader in aftermarket marine engine parts, offering comprehensive coverage for all major engine brands. Each Sierra product is backed by an unsurpassed customer satisfaction warranty covering both parts and labor, ensuring reliable performance and peace of mind for marine enthusiasts.